Inabia Software & Consulting Inc.
Operational Engineer – Wireless Messaging (SMS/MMS)
Ridgeland, MS - Full Time
This position is fully on site in Ridgeland, MS (no remote or hybrid)
Job Summary
We are seeking an Operational Engineer with hands-on experience in wireless messaging systems, specifically SMS and MMS. The role involves monitoring, troubleshooting, and optimizing messaging platforms, ensuring high availability, reliability, and performance across telecom networks.
Key Responsibilities
Required Skills & Experience
Preferred Qualifications
Job Summary
We are seeking an Operational Engineer with hands-on experience in wireless messaging systems, specifically SMS and MMS. The role involves monitoring, troubleshooting, and optimizing messaging platforms, ensuring high availability, reliability, and performance across telecom networks.
- Monitor and maintain SMS/MMS platforms, gateways, and messaging infrastructure.
- Troubleshoot delivery issues across carrier networks and aggregators.
- Analyze logs, delivery receipts (DLRs), and message flows to identify failures.
- Ensure uptime, system performance, and SLA compliance.
- Work with telecom protocols such as SMPP, MM7, HTTP APIs, and signaling systems.
- Collaborate with carriers, vendors, and internal teams for issue resolution.
- Perform root cause analysis (RCA) and implement preventive measures.
- Support deployments, upgrades, and configuration changes.
- Maintain operational documentation and runbooks.
- Participate in on-call rotation for incident response.
- 3–7+ years in telecom, messaging, or wireless operations.
- Strong experience with:
- SMS/MMS protocols: SMPP, MM7, SS7 (preferred), Diameter (nice-to-have)
- Messaging platforms (e.g., OpenMarket, Syniverse, Twilio, or similar)
- Knowledge of:
- Routing, delivery receipts, message encoding (GSM, Unicode)
- Carrier connectivity and interworking
- Experience with log analysis and monitoring tools (e.g., Splunk, ELK, Grafana).
- Basic scripting skills (Python, Bash, or similar) for automation.
- Familiarity with Linux/Unix systems.
- Understanding of networking fundamentals (TCP/IP, firewalls, VPNs).
- Experience in Tier 2 / Tier 3 telecom support.
- Exposure to cloud platforms like Amazon Web Services or Google Cloud Platform.
- Knowledge of 4G/5G messaging evolution (RCS is a plus).
- Experience working with messaging APIs from Twilio or similar providers.
- ITIL certification or incident management experience.
